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The current implementation of dbsize doesn't handle tables in

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tablespaces correctly, and is quite restricted on objects covered (only
tables and databases, but not tablespaces and indexes).

The attached patch contributes:

- database_size(name)
- relation_size(text)
These are the well-known functions, tablespace-aware.

- pg_tablespace_size(oid)
- pg_database_size(oid)
- pg_relation_size(oid)
Tablespace-aware implementations, used by the upper functions.
pg_relation_size will report sizes of indexes as well.

- pg_size_pretty(bigint)
Formatting of sizes, to display '146MB' instead of '152885668'

Andreas Pflug
This commit is contained in:
Bruce Momjian
2004-09-02 00:55:22 +00:00
parent e814e4bfe5
commit 528ac10c7c
2 changed files with 289 additions and 130 deletions
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16
contrib/dbsize/dbsize.sql.in
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@ -5,3 +5,19 @@ CREATE FUNCTION database_size (name) RETURNS bigint
CREATE FUNCTION relation_size (text) RETURNS bigint
AS 'MODULE_PATHNAME', 'relation_size'
LANGUAGE C WITH (isstrict);
CREATE FUNCTION pg_tablespace_size(oid) RETURNS bigint
AS 'MODULE_PATHNAME', 'pg_tablespace_size'
LANGUAGE C STABLE STRICT;
CREATE FUNCTION pg_database_size(oid) RETURNS bigint
AS 'MODULE_PATHNAME', 'pg_database_size'
LANGUAGE C STABLE STRICT;
CREATE FUNCTION pg_relation_size(oid) RETURNS bigint
AS 'MODULE_PATHNAME', 'pg_relation_size'
LANGUAGE C STABLE STRICT;
CREATE FUNCTION pg_size_pretty(bigint) RETURNS text
AS 'MODULE_PATHNAME', 'pg_size_pretty'
LANGUAGE C STABLE STRICT;